LAD Regression and Nonparametric Methods for Detecting Outliers and Leverage Points

Details LAD Regression and Nonparametric Methods for Detecting Outliers and Leverage Points LAD Regression and Nonparametric Methods for Detecting Outliers and Leverage Points

2005-07-25

arxiv.org/abs/math/0507510v1

Mathematics

Statistics Theory

Scientific paper

The detection of influential observations for the standard least squares regression model is a question that has been extensively studied. LAD regression diagnostics offers alternative approaches whose main feature is the robustness. In this paper a new approach for nonparametric detection of influencial observations in LAD regression models is presented and compared with other classical methods of diagnostics.

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